//  Copyright (c) 2013年 mafengwo All rights reserved.
//  Created by hanfeng on 12-12-13.
//
//  Date addition category


#import <Foundation/Foundation.h>

@interface NSDate (Addition)

- (NSString *)relativeFormatStringWithSecond:(BOOL)sec;

- (BOOL)isToday;

- (BOOL)isEarlierThan:(NSDate *)aDate;

+ (NSString *)currentTimeStamp;

@end
